Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
04-01-2025 18:14
General
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Target
daf263885b67178f500280448145a547cb1810e89cd0f4b3672d88a1cf79d3d8N.exe
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Size
212KB
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MD5
a7ab564fec2eb6ac3ee54135d71df5e0
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SHA1
011f9f86972400192fe5e55a9035ed08c5e692a3
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SHA256
daf263885b67178f500280448145a547cb1810e89cd0f4b3672d88a1cf79d3d8
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SHA512
02a1a02c91be0099298c7f04d9b0e16c5255e60f07fbd412221d8bf8b2556fd4012f3fe18e05524f8395e75cfc57dc7229e79e34067dc308f3307040c56bc821
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SSDEEP
6144:Wob34ERMS/H7YAVsobrVn5G4E3Hi96mbQzJWFO8Omw4GZ:pboEj/8ASWM4Ki96/zqIKGZ
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\daf263885b67178f500280448145a547cb1810e89cd0f4b3672d88a1cf79d3d8N.exe"C:\Users\Admin\AppData\Local\Temp\daf263885b67178f500280448145a547cb1810e89cd0f4b3672d88a1cf79d3d8N.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
212KB
MD5f9c0854132e81b11d3bce89a8ca713b4
SHA18f6d069c6ce499e08efac1274c0474ee8300c893
SHA2561bb570b0fea25c46af3814ce2676a145cf39269799f4b16d3adb8695fa2c899a
SHA5123bf929ab2e1ef978bed03fd40bc2d2656b9dfe6ec4ed59f7282f5ed9eb85130de562831bec3bf0478bd982b35d8ee365d8d8db0d1f0b58b846291a5bcdad391f
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Filesize
1.7MB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB